“Due to the US utility solar investment tax credit rush and strong demand in China, there was a buildup of shipments in 2015 to meet 2016 project demand,” says report author and GTM Research analyst Scott Moskowitz.

Global deliveries will increase again at an annual 11% clip in 2017 through 2020, when the market will reach 90GW, GTM says in The Global PV Inverter and MLPE Landscape 2016.